Figure 2From: Effects of Cover Sheets on the Nugget Growth and Fracture Behavior of Resistance Spot Welded Q&P980 Steel JointsCross-sectional view of joints (a) without cover sheets; (b) with 0.2 mm cover sheets and (c) with 0.3 mm cover sheet under critical welding current and (d–j) microstructure corresponding to the locations D-J in a; k, l microstructure corresponding to the locations K in b and L in cBack to article page